Sinkhole risk in South Central Connecticut Planning Region, CT: No soluble rock mapped
No soluble rock mapped
No soluble bedrock mapped.
- On soluble rock
- 0%
- At or near the surface
- 0%
- Buried under cover
- 0%
The next step for one property
No soluble bedrock is mapped here, so natural sinkholes are unlikely. Collapses from broken pipes or old mines are a separate risk.
Across 367 square miles, under one square mile of South Central Connecticut Planning Region maps onto soluble rock. With about 576,718 residents (1,570 per square mile), most of the county is built up, so a mapped unit is likely to sit under somebody's street. The figures come from 432 map points about 0.9 miles apart, so a pocket smaller than that can be missed or overstated.
Read next: how these percentages are measured, and the warning signs that apply anywhere.
Counties around South Central Connecticut Planning Region
The nearest county rated sinkhole country is Union County, PA, about 221 miles west. 4 of the 6 closest counties land in the same band, so this is a regional pattern rather than a local quirk.
- Lower Connecticut River Valley Planning Region, CT 20 mi northeast · 0% at surface
- Naugatuck Valley Planning Region, CT 20 mi northwest · 0% at surface
- Greater Bridgeport Planning Region, CT 21 mi west · 0% at surface
- Suffolk County, NY 25 mi south · 0% at surface
- Western Connecticut Planning Region, CT 32 mi west · 0% at surface
- Capitol Planning Region, CT 39 mi north · 0% at surface
Against the rest of Connecticut
South Central Connecticut Planning Region ranks 7 of 9 in Connecticut for soluble rock at the surface, and sits above 0% of US counties on that measure.